1 Shilling blue, on all sides full to wide margins imperforated, very clear cancelled by barred circle "3" (IAltona), particularly beautiful and faultless choise copy condition, the heraldic embossed very clearly visible both front- as also reverse, very decorative piece of this Schleswig-Holstein-rarity, signed Grobe and photo expertize Carl Aage Moeller BPP (2023) "a very nice copy in perfect condition, rare in this quality" - superb item of this rarity!